A) any time chemicals, heat, or sediments are used to protect your eyes B) only if you don't have glasses C) to avoid eye strain D) to improve vision
A) try several methods until something works B) skip it and go to the next part C) ask the teacher before you start D) figure it out as you do the lab
A) disposed of according to your teacher's directions B) dumped into the sink C) left at your table for the next class D) taken home
A) apply first aid yourself B) see a doctor after school C) visit the school nurse after class D) tell the teacher at once
A) read all directions carefully to know what equipment is needed B) All of these C) clean any glassware that looks dirty D) examine all glassware to check for chips or cracks
A) closed-toed shoes B) sandals C) slippers D) open-toed shoes
A) Ok B) not dangerous C) always against the rules D) okay if you are working alone
A) your teacher B) the custodian C) your lab partners D) your best friend in class
A) wiping your hands B) others to put away C) when you are wearing your best clothes D) the protection of you and your clothing
A) pour it on the table B) waft the odor toward you C) use a fan D) nhale deeply
A) all of these B) Clear off your table of books, food, and drinks C) Ask the teacher about any questions you have D) read all the directions
A) fire extinguisher B) classroom door B) fire extinguisher C) all of these D) fire blanket
A) treat your hands with skin lotion B) wash your hands with soap and water C) ipe your hands on your clothes D) wipe your hands with a paper towel
A) wipe your hands on your pants B) wipe your hands on a classmate C) Wash your hands and tell the teacher D) try to figure out what the sticky substance is
A) Lab coat B) gloves C) Safety glasses D) sun glasses
A) put her hair up in a rubber band B) gotten a hair cut before class today C) skipped the lab D) worn a hat today
A) the fire extinguisher B) The fire blanket C) Your coat D) Water from the sink
A) After school B) before you start C) Next week D) while you are working
A) burn them in a burner B) follow the instructions of your teacher C) throw them in the trash D) wash them down the sink
A) ask the custodian B) your hand must be wet C) your hands should be dry D) ask the nurse.
A) toward you and away from others B) away from you and others C) away from you and toward others D) toward you and others
A) pour them at the same time B) let the teacher pour them C) pour acid into water D) pour water into acid
A) true B) False
A) true B) false
A) false B) true |